Mortar Guidance Kit (MGK)2010 Joint Armaments Conference17-20 May 2010

A premier aerospace and defense company

Kelly Hanink

APMI Program Manager

Approved for Public Release, PAO 563-10, dated 11 May 2010,22 CFR 125.4(b)(13) applicable

A premier aerospace and defense company

2Approved for Public Release, PAO 563-10, dated 11 May 2010,22 CFR 125.4(b)(13) applicable

APMI – Precision on the Front Line

Discussion TopicsResponding to Soldiers Needs – Why

Accelerated Precision Mortar Initiative (APMI)?

Mortar Guidance Kit (MGK) – ATK’s Answer to APMI

Demonstrated Capability – Results of Demonstration Test

Delivering Precision – APMI Program Plan

Innovation … Delivered

A premier aerospace and defense company

3Approved for Public Release, PAO 563-10, dated 11 May 2010,22 CFR 125.4(b)(13) applicable

Why APMI? – Respond to Soldier Needs

Reduce Soldier Risk

Minimize Collateral Damage

PrecisionBenefits

A premier aerospace and defense company

4Approved for Public Release, PAO 563-10, dated 11 May 2010,22 CFR 125.4(b)(13) applicable

APMI Requirements – The needs of the Soldier

Capabilities:

• Accuracy: 10m CEP (Threshold); 5m (Objective)

• Lethality: Similar kinetic effects of current munitions

• Maximum Range: 6.5km or greater

• Guidance: GPS Selective Availability Anti-Spoofing Module (SAASM)

• Compatibility: US 120mm Mortar System

A premier aerospace and defense company

5Approved for Public Release, PAO 563-10, dated 11 May 2010,22 CFR 125.4(b)(13) applicable

What is APMI? – Precision for 120mm Mortars

M32Lightweight Handheld

Mortar Ballistic Computer

XM395, 120mm HE Guided Cartridge

M150/M151Dismounted

Urgent Material Release (UMR)of Four Systems

Mortar Fire Control System

Stowage Kit: 120mm Mortar, M326

Precision Lightweight UniversalMortar Setter System

(XM701 PLUMSS)

120mm Mortar, M120

A premier aerospace and defense company

6Approved for Public Release, PAO 563-10, dated 11 May 2010,22 CFR 125.4(b)(13) applicable

MGK – Extending PGK Innovation

PGK is designed to guide a 155mm spin-stabilized howitzer fired projectile.

Operational Range: 6-27 kmSpin Rates: 150-275 HzSpeeds: 330-830 m/sec

(Supersonic)Setback ~ 20 KG

Can PGK be adapted to guide a 120mm fin-stabilized mortar cannon fired projectile?

Operational Range: 1.0-6.5 kmInduced Spin Rates: 5-40 HzSpeeds: 130-330 m/sec(Subsonic)Setback ~ 8.5 KG

A premier aerospace and defense company

7Approved for Public Release, PAO 563-10, dated 11 May 2010,22 CFR 125.4(b)(13) applicable

APMI – Integrating Demonstrated Technologies

Tail Subsystem M934 Body Subsystem Nose Subsystem

• Lengthened boom/boattail

• Standard M1020 igniter

• Proven high-hat M47 charge increments

• Proven folding fin design

- Fin hub cant applied to induce body spin

• Standard M934 mortar body

• Obturating ring for pressure seal

• Composition B explosive fill

- Modified for deep intrusion fuze well

• PGK nose assembly with modifications

• Fixed canard assembly

• IEC GPS receiver

• Common Mortar S&A

• PGK booster assembly

• Canard cover for EPIAFS interface

A premier aerospace and defense company

8Approved for Public Release, PAO 563-10, dated 11 May 2010,22 CFR 125.4(b)(13) applicable

APMI – Simple & Effective Precision

• Steady-state must result in a moment balance

• Round noses down to counter canard moment with body pitching moment

• Body lift and canard lift in the same direction

Velocity

Canard LiftBody Lift

αBody Spin (Clockwise)

A premier aerospace and defense company

9Approved for Public Release, PAO 563-10, dated 11 May 2010,22 CFR 125.4(b)(13) applicable

APMI – Demonstrated Precision

TRN2291 & 2299

APMI Precision = Significant Reduction of Rounds to Defeat Targets

A premier aerospace and defense company

10Approved for Public Release, PAO 563-10, dated 11 May 2010,22 CFR 125.4(b)(13) applicable

APMI – Phase 2 Deliver Precision to Battlefield

ATK selected as winner of competitive demonstration program in April 2010

Building hardware for qualification testing that begins Summer 2010

Urgent Material Release (UMR) planned for October 2010, with fielding shortly after

A premier aerospace and defense company

11Approved for Public Release, PAO 563-10, dated 11 May 2010,22 CFR 125.4(b)(13) applicable

Summary – Delivering Precision

APMI Provides Solution to Immediate Soldier Needs• Effective Response to the field• ATK’s MGK delivers Required Capability at completion of

Competitive Phase I

APMI Succeeded Building on Proven Technologies• Type classified 120mm Mortar Systems & Fire Control• Successful PGK program provides Basis for MGK Approach

–MGK modifies M934 HE Cartridge making it Precise

ATK’s MGK Demonstrated Necessary Capability• Delivered